CN205370937U - Hydraulic power unit - Google Patents
Hydraulic power unit Download PDFInfo
- Publication number
- CN205370937U CN205370937U CN201521143624.5U CN201521143624U CN205370937U CN 205370937 U CN205370937 U CN 205370937U CN 201521143624 U CN201521143624 U CN 201521143624U CN 205370937 U CN205370937 U CN 205370937U
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- Prior art keywords
- power unit
- hydraulic power
- transport module
- wireless transport
- motor
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Abstract
The utility model provides a hydraulic power unit, including inverter motor and rather than the hydraulic pump that is connected, the last rotational speed controlling means that is provided with of inverter motor, be provided with the pressure sensing device on the hydraulic pump, hydraulic power unit is still including an intelligent control device, intelligent control device with the pressure sensing device rotational speed controlling means passes through wireless connection. The utility model discloses combine together frequency conversion volume speed -modulating technique with the wireless control technique, simplified hydraulic system for the control operation is human nature, more intelligent more.
Description
Technical field
This utility model relates to mechanical field, particularly to a kind of hydraulic power unit.
Background technology
Traditional valve control Metering Flow Control Circuits Technical comparing in current hydraulic control system is ripe, application is also very extensive, it mainly utilizes throttle grverning technology to control the speed of service and the direction of load, and owing to governing system adopts throttling control mode, a big chunk energy of system all consumes at throttle orifice, so such hydraulic system energy consumption is big, efficiency is low, controls accuracy poor.
Utility model content
For above-mentioned problems of the prior art, this utility model provides a kind of hydraulic power unit.
For solving above-mentioned technical problem, technical solution adopted in the utility model is:
This utility model provides a kind of hydraulic power unit, including frequency conversion motor and coupled hydraulic pump；Described frequency conversion motor is provided with revolution speed control device；Described hydraulic pump is provided with pressure sensor device；
Described hydraulic power unit also includes an intelligent controlling device, and described intelligent controlling device and described pressure sensor device, described revolution speed control device pass through wireless connections.
Preferably, described intelligent controlling device includes intelligent controller, is used for controlling hydraulic power unit, produces control signal；With the first wireless transport module, described first wireless transport module is connected with described intelligent controller, for receiving the pressure information of described pressure sensor device transmission, and sends control signal to described revolution speed control device.
Preferably, described pressure sensor device includes pressure inductor, is used for sensing described prexxure of the hydraulic pump information；With the second wireless transport module, described second wireless transport module is connected with described pressure inductor, is used for sending pressure information to described first wireless transport module.
Preferably, described revolution speed control device includes motor-drive circuit, is used for controlling motor speed；With the 3rd wireless transport module, described 3rd wireless transport module is connected with described motor-drive circuit, for receiving the control signal that the first wireless transport module sends.
Preferably; described revolution speed control device also includes overvoltage, under-voltage protecting circuit; described overvoltage, under-voltage protecting circuit one end are connected with motor-drive circuit; the other end is connected with described frequency conversion motor power supply; for the height according to described supply voltage, described frequency conversion motor is carried out overvoltage, under-voltage protection.
Preferably, it is wirelessly transferred described in as the one in Internet transmission, GPRS transmission, Bluetooth transmission, wifi transmission.
Preferably, described intelligent controlling device is additionally provided with display screen and button.
Adopt such scheme to provide the benefit that: hydraulic volume mode of speed regulation, regulate the input flow rate of hydraulic pump according to the job demand of load, without spill losses, thus embody the energy-saving effect higher than valve control hydraulic control system.Variable frequency volume speed adjusting technique drives the rotating speed of pump motor by changing, thus regulating the size of POF, thus realizing the adjustment of load running speed, it is possible to replace original variable pump with dosing pump.Variable frequency volume speed adjusting technique is combined by this utility model with wireless control technology, simplifies hydraulic system so that control to operate more human nature, more intelligent.
Accompanying drawing explanation
In order to be illustrated more clearly that this utility model embodiment or technical scheme of the prior art, the accompanying drawing used required in embodiment or description of the prior art will be briefly described below, apparently, accompanying drawing in the following describes is only embodiments more of the present utility model, for those of ordinary skill in the art, under the premise not paying creative work, it is also possible to obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is hydraulic power unit structure chart of the present utility model.
Detailed description of the invention
Embodiment one
Below in conjunction with the accompanying drawing in this utility model embodiment, the technical scheme in this utility model embodiment is clearly and completely described, it is clear that described embodiment is only a part of embodiment of this utility model, rather than whole embodiments.Based on the embodiment in this utility model, the every other embodiment that those of ordinary skill in the art obtain under not making creative work premise, broadly fall into the scope of this utility model protection.
As it is shown in figure 1, a kind of hydraulic power unit described in the utility model, including frequency conversion motor 10 and coupled hydraulic pump 20；Described frequency conversion motor 10 is provided with revolution speed control device 30；Described hydraulic pump 20 is provided with pressure sensor device 40；
Described hydraulic power unit also includes an intelligent controlling device 50, and described intelligent controlling device 50 passes through wireless connections with described pressure sensor device 40, described revolution speed control device 30.
Preferably, described intelligent controlling device 50 includes intelligent controller (not marking in accompanying drawing), is used for controlling hydraulic power unit, produces control signal；With the first wireless transport module (not marking in accompanying drawing), described first wireless transport module is connected with described intelligent controller, for receiving the pressure information of described pressure sensor device 40 transmission, and sends control signal to described revolution speed control device 30.
Preferably, described pressure sensor device 40 includes pressure inductor 41, is used for sensing described hydraulic pump 20 pressure information；With the second wireless transport module 42, described second wireless transport module 42 is connected with described pressure inductor 41, is used for sending pressure information to described first wireless transport module.
Preferably, described revolution speed control device 30 includes motor-drive circuit 31, is used for controlling motor speed；With the 3rd wireless transport module 32, described 3rd wireless transport module 32 is connected with described motor-drive circuit 31, for receiving the control signal that the first wireless transport module sends.
Preferably; described revolution speed control device 30 also includes overvoltage, under-voltage protecting circuit 33; described overvoltage, under-voltage protecting circuit 33 one end are connected with motor-drive circuit 31; the other end is connected with described frequency conversion motor 10 power supply; for the height according to described supply voltage, described frequency conversion motor 10 is carried out overvoltage, under-voltage protection.
Preferably, it is wirelessly transferred described in as the one in Internet transmission, GPRS transmission, Bluetooth transmission, wifi transmission.
Preferably, described intelligent controlling device 50 is additionally provided with display screen 51 and button 52.
The operation principle of hydraulic power unit of the present utility model is: described hydraulic power unit can be divided into working connection and feed circuit two parts.Working connection can adopt bidirectional hydraulic pump, described revolution speed control device 30 rotating speed controlling described frequency conversion motor 10 sucks the flow required for hydraulic cylinder thus controlling described hydraulic pump 20.The direction of motion of hydraulic cylinder is changed by changing the fluid outbound course of hydraulic pump 20.During commutation, side, hydraulic cylinder works chamber is changed into the suction side of bidirectional hydraulic pump, and bidirectional hydraulic pump realizes release from the oil suction of hydraulic cylinder works chamber, the oil absorption of bidirectional hydraulic pump is started from scratch and is gradually increased, thus can automatically unloading, it is achieved actuator smoothly commutates, impact little, noise is low.Oil liquid leakage in working connection is supplemented by recharging oil device.
Hydraulic volume mode of speed regulation, regulates the input flow rate of hydraulic pump 20 according to the job demand of load, without spill losses, thus embodies the energy-saving effect higher than valve control hydraulic control system.Variable frequency volume speed adjusting technique is by changing the rotating speed of frequency conversion motor 10, thus regulating the size of hydraulic pump 20 output flow, thus realizing the adjustment of load running speed, it is possible to replace original variable pump with dosing pump.Variable frequency volume speed adjusting technique is combined by this utility model with wireless control technology so that control to operate more human nature, more intelligent.
Above-mentioned embodiment is intended to illustrate that this utility model can realize for professional and technical personnel in the field or use; above-mentioned embodiment is modified and will be apparent from for those skilled in the art; therefore this utility model includes but not limited to above-mentioned embodiment; any present claims book or description of meeting describes; meet and principles disclosed herein and novelty, the method for inventive features, technique, product, each fall within protection domain of the present utility model.
Claims (7)
1. a hydraulic power unit, it is characterised in that: include frequency conversion motor and coupled hydraulic pump；Described frequency conversion motor is provided with revolution speed control device；Described hydraulic pump is provided with pressure sensor device；
Described hydraulic power unit also includes an intelligent controlling device, and described intelligent controlling device and described pressure sensor device, described revolution speed control device pass through wireless connections.
2. hydraulic power unit as claimed in claim 1, it is characterised in that: described intelligent controlling device includes intelligent controller, is used for controlling hydraulic power unit, produces control signal；
With the first wireless transport module, described first wireless transport module is connected with described intelligent controller, for receiving the pressure information of described pressure sensor device transmission, and sends control signal to described revolution speed control device.
3. hydraulic power unit as claimed in claim 2, it is characterised in that: described pressure sensor device includes pressure inductor, is used for sensing described prexxure of the hydraulic pump information；
With the second wireless transport module, described second wireless transport module is connected with described pressure inductor, is used for sending pressure information to described first wireless transport module.
4. hydraulic power unit as claimed in claim 2, it is characterised in that: described revolution speed control device includes motor-drive circuit, is used for controlling motor speed；
With the 3rd wireless transport module, described wireless transport module is connected with described motor-drive circuit, for receiving the control signal that the first wireless transport module sends.
5. the hydraulic power unit as described in claim 1-4 any one; it is characterized in that: described revolution speed control device also includes overvoltage, under-voltage protecting circuit; described overvoltage, under-voltage protecting circuit one end are connected with described motor-drive circuit; the other end is connected with described frequency conversion motor power supply; for the height according to described supply voltage, described frequency conversion motor is carried out overvoltage, under-voltage protection.
6. hydraulic power unit as claimed in claim 1, it is characterised in that: described in be wirelessly transferred the one in transmitting into Internet transmission, GPRS transmission, Bluetooth transmission, wifi.
7. hydraulic power unit as claimed in claim 1, it is characterised in that: described intelligent controlling device is additionally provided with display screen and button.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521143624.5U CN205370937U (en) | 2015-12-31 | 2015-12-31 | Hydraulic power unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521143624.5U CN205370937U (en) | 2015-12-31 | 2015-12-31 | Hydraulic power unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205370937U true CN205370937U (en) | 2016-07-06 |
Family
ID=56274852
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201521143624.5U Expired - Fee Related CN205370937U (en) | 2015-12-31 | 2015-12-31 | Hydraulic power unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205370937U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107829997A (en) * | 2016-09-16 | 2018-03-23 | 丹佛斯动力系统有限责任两合公司 | Hydrostatic pressure system |
| CN110201417A (en) * | 2019-06-26 | 2019-09-06 | 晨光生物科技集团股份有限公司 | A kind of infuser and its control method |
| CN112727722A (en) * | 2020-12-30 | 2021-04-30 | 中国航空工业集团公司金城南京机电液压工程研究中心 | Electric control type constant-pressure variable electric pump |
| CN112901438A (en) * | 2020-12-30 | 2021-06-04 | 中国航空工业集团公司金城南京机电液压工程研究中心 | Electric control type constant power electric pump |
-
2015
- 2015-12-31 CN CN201521143624.5U patent/CN205370937U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107829997A (en) * | 2016-09-16 | 2018-03-23 | 丹佛斯动力系统有限责任两合公司 | Hydrostatic pressure system |
| US10524026B2 (en) | 2016-09-16 | 2019-12-31 | Danfoss Power Solutions G.m.b.H. & Co. OHG | Hydrostatic system |
| CN115030859A (en) * | 2016-09-16 | 2022-09-09 | 丹佛斯动力系统有限责任两合公司 | Hydrostatic system |
| CN110201417A (en) * | 2019-06-26 | 2019-09-06 | 晨光生物科技集团股份有限公司 | A kind of infuser and its control method |
| CN110201417B (en) * | 2019-06-26 | 2021-05-07 | 晨光生物科技集团股份有限公司 | Leacher and control method thereof |
| CN112727722A (en) * | 2020-12-30 | 2021-04-30 | 中国航空工业集团公司金城南京机电液压工程研究中心 | Electric control type constant-pressure variable electric pump |
| CN112901438A (en) * | 2020-12-30 | 2021-06-04 | 中国航空工业集团公司金城南京机电液压工程研究中心 | Electric control type constant power electric pump |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160706 Termination date: 20161231 |
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| CF01 | Termination of patent right due to non-payment of annual fee |